11211222010057 has 2 divisors, whose sum is σ = 11211222010058. Its totient is φ = 11211222010056.

The previous prime is 11211222010039. The next prime is 11211222010069. The reversal of 11211222010057 is 75001022211211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11179687708816 + 31534301241 = 3343604^2 + 177579^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211222010057 - 2¹⁹ = 11211221485769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211222010007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605611005028 + 5605611005029.

It is an arithmetic number, because the mean of its divisors is an integer number (5605611005029).

Almost surely, 2^{11211222010057} is an apocalyptic number.

It is an amenable number.

11211222010057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211222010057 is an equidigital number, since it uses as much as digits as its factorization.

11211222010057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 11211222010057 its reverse (75001022211211), we get a palindrome (86212244221268).

The spelling of 11211222010057 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, ten thousand, fifty-seven".